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c# Programming Glossary: animalWhy Doesn't C# Allow Static Methods to Implement an Interface? http://stackoverflow.com/questions/259026/why-doesnt-c-sharp-allow-static-methods-to-implement-an-interface interface IListItem string ScreenName ... public class Animal IListItem All animals will be called Animal . public static.. public class Animal IListItem All animals will be called Animal . public static string ScreenName return Animal .... public.. be called Animal . public static string ScreenName return Animal .... public class Person IListItem private string name All persons..
Get Enum from Description attribute [duplicate] http://stackoverflow.com/questions/4367723/get-enum-from-description-attribute which gets the Description attribute from an Enum enum Animal Description NotSet 0 Description Giant Panda GiantPanda 1 Description.. attribute.Description so I can do... string myAnimal Animal.GiantPanda.GetDescription Giant Panda now I'm trying.. attribute.Description so I can do... string myAnimal Animal.GiantPanda.GetDescription Giant Panda now I'm trying to work..
Does C# support return type covariance? http://stackoverflow.com/questions/5709034/does-c-sharp-support-return-type-covariance specific type abstract class Enclosure public abstract Animal Contents class Aquarium Enclosure public override Fish Contents.. safe because consumers of Contents via Enclosure expect an Animal and Aquarium promises to not only fulfill that requirement but.. a method that takes a Fish with a method that takes an Animal. Again the contract is fulfilled the base class requires that..
Type Checking: typeof, GetType, or is? http://stackoverflow.com/questions/983030/type-checking-typeof-gettype-or-is if an instance is in the inheritance tree. Example class Animal class Dog Animal void PrintTypes Animal a print a.GetType typeof.. is in the inheritance tree. Example class Animal class Dog Animal void PrintTypes Animal a print a.GetType typeof Animal false.. Example class Animal class Dog Animal void PrintTypes Animal a print a.GetType typeof Animal false print a is Animal true..
http://stackoverflow.com/questions/1048884/c-overriding-return-types class Dog No override just return normal poo like normal animal public class Cat public override RadioactivePoo Excrement get.. PooType iPooProvider where PooType Poo BaseAnimal animal iPooProvider as BaseAnimal if null animal throw new InvalidArgumentException.. Poo BaseAnimal animal iPooProvider as BaseAnimal if null animal throw new InvalidArgumentException iPooProvider must be a BaseAnimal...
The fastest way to learn C#? [duplicate] http://stackoverflow.com/questions/319441/the-fastest-way-to-learn-c of the reference materials and distinctively cool woodcut animal drawings . Therefore I would suggest Learning C# 3.0 or Programming..
IEnumerable vs List - What to Use? How do they work? http://stackoverflow.com/questions/3628425/ienumerable-vs-list-what-to-use-how-do-they-work Consider these two simple selects List Animal sel from animal in Animals join race in Species on animal.SpeciesKey equals.. sel from animal in Animals join race in Species on animal.SpeciesKey equals race.SpeciesKey select animal .Distinct .ToList.. on animal.SpeciesKey equals race.SpeciesKey select animal .Distinct .ToList or IEnumerable Animal sel from animal in Animals..
Calling a generic method with a dynamic type [duplicate] http://stackoverflow.com/questions/4101784/calling-a-generic-method-with-a-dynamic-type and return Now in some code later I want to read in what animal to create. Creator creator new Creator string animalType read.. what animal to create. Creator creator new Creator string animalType read from a file what animal duck cow to create Type type.. new Creator string animalType read from a file what animal duck cow to create Type type Type.GetType animalType List animalType..
http://stackoverflow.com/questions/5376203/inherit-listt this question If you want to create a publicly exposed animal collection you should not inherit from List T and instead inherit..
Does C# support return type covariance? http://stackoverflow.com/questions/5709034/does-c-sharp-support-return-type-covariance but moreover to make a more strict promise that the animal is always a fish. This kind of covariance is not supported in.. the derived class promises to not only handle fish but any animal. Similarly C# and the CLR do not support formal parameter type..
http://stackoverflow.com/questions/5832094/covariance-and-ilist to do this List Dog dogs new List Dog IEnumerable Animal animals dogs IList Animal animalList dogs This line does not compile.. new List Dog IEnumerable Animal animals dogs IList Animal animalList dogs This line does not compile Now I'm aware of why this.. Animals it would allow subsequent code to add any type of animal which is not allowed in the real List collection. So is anyone..
Can you help me understand in a practical example the usage abstract classes vs interfaces? http://stackoverflow.com/questions/627199/can-you-help-me-understand-in-a-practical-example-the-usage-abstract-classes-vs only class that should derive from IAnimal. 3 Since all animals have a name and a name is not an attribute that is specific.. TesterClass public static void DescribeAnimal IAnimal animal Console.WriteLine My name is 0 I am a 1 animal.WhatIsMyName.. IAnimal animal Console.WriteLine My name is 0 I am a 1 animal.WhatIsMyName animal.WhatAmI static void Main string args Dog..
Restricting a generic type parameters to have a specific constructor http://stackoverflow.com/questions/9741211/restricting-a-generic-type-parameters-to-have-a-specific-constructor cat toyota public static void FunnyMethod Animal animal ToyotaTercel toyota Console.WriteLine Takes an Animal and a.. Animal public class FunnyClass public FunnyClass Animal animal ToyotaTercel toyota public FunnyClass Cat cat Automobile car..
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